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Childhood Blood Lead Surveillance (CBLS) Data set

Published by National Center for Environmental Health (NCEH), Division of Environmental Health Science and Practice (DEHSP), Lead Poisoning Prevention and Surveillance Branch (LPPSB) | U.S. Department of Health & Human Services | Catalog Last Checked: September 28, 2026 at 08:25 PM
The CDC’s Childhood Blood Lead Surveillance (CBLS) data set encompasses national-level data on childhood lead exposure, collected from state and local health departments. Data includes blood lead levels, medical treatment, environmental investigations, and potential lead exposure sources. States extract or de-identify variables containing personally identifiable information (PII) prior to submission.

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